Solution to invalid RedHat. Enterprise. Linux 6.1 or missing authorization certificate

Solution to invalid RedHat. Enterprise. Linux 6.1 or missing authorization certificate

I think when you install rhel6.1, you will find that 6.1 is more than 6.0: Red Hat Subscription Manager

Red Hat Enterprise Edition Linux Secondary release combines various improvements, security, and bug fixes. Red Hat Enterprise Linux 6.1 Release Notes record the major changes to the Red Hat Enterprise Linux 6 operating system and the applications included in this secondary release. For all changes recorded in this secondary release, refer to technical instructions.

I. Hardware Support

1. Naming rules for network interfaces

2. the USB 3.0

3. Hot CPU and memory adding

4. driver update

Ii. Kernel

Red Hat Enterprise Linux 6.1 uses hundreds of Linux kernel bug fixes and improvements. For more information about how to fix each specific bug and how to improve the kernel added to this release, see the relevant chapter in Red Hat Enterprise Edition Linux 6.1 Technical Instructions.

1. Control group

2. Online update

3. kdump

4. Performance update and improvement

Iii. Desktop

1. Graphic hardware

Red Hat Enterprise Linux 6.1 provides a large number of graphic hardware updates. In this release, an Intel sixth-generation graphics driver for the sandy bridge processor is introduced to provide fully accelerated 2D and 3D graphics on these devices. In addition, this release also introduced support for matrox MGA-G200ER graphics chip.

Red Hat Enterprise Linux 6.1 introduces xorg-x11-drv-xgi video drivers to support xgi z9s and z11 chips. No longer update the SIS driver of the old xgi hardware to support the new hardware.

Displays that do not provide extended display recognition data (edid) for the operating system can now use the default resolution of 1024*768.

2. Network Manager

Network Manager is a desktop tool used to set, configure, and manage various network connection types. In Red Hat Enterprise Linux 6.1, Network Manager supports configuring enterprise-level Wi-Fi protection (WPA) and Internet Protocol version 6 (IPv6 ).

3. Audio

Red Hat Enterprise Edition Linux 6.1 provides updated advanced Linux sound architecture-high-resolution audio (ALSA-HDA) drivers.

Iv. Storage

1. Image LVM Snapshot

2. Image LVM entries

V. Authentication and interoperability

1. System Security Service daemon (sssd)

2. IPA

3. Samba

4. FreeRADIUS

5. Kerberos

6. Security

Openscap

Spice Smart Card support

7. Installation

Added installation and boot support for Emulex 10gbe PCI-E gen2 and chelsio T4 10gbe NICs in Red Hat Enterprise Linux 6.1. In addition, the grub boot loader is updated to support the ability to boot volumes in UEFI systems that use 4 kb sectors.

Red Hat Enterprise Edition Linux 6.1 installer will detect unsupported hardware platforms and send notifications to users. The installation will continue,

8. Compile programs and tools

9. Cluster

A cluster is a combination of computers (nodes) to improve reliability, scalability, and availability of important products and services. Red Hat Enterprise Linux 6 uses high availability for various configurations to meet different requirements of performance, high availability, load balancing, and file sharing.

10. Virtualization

11. Authorization

12. Regular updates

1. Automatic bug reporting tool

2. opencryptoki

3. OpenLDAP

4. tigervnc

5. Tuned